Table of Contents
ネットに接続していたらTrue、未接続でfalse
public boolean isNetConnect(Context context) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo ni = cm.getActiveNetworkInfo();
if (ni != null) {
return cm.getActiveNetworkInfo().isConnected();
}
return false
}
AndroidManifest.xmlに以下を追加
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>